Essays
30Es 
Essays
Essays I've written.

Astronomy & astrophysics.
Stellar evolution
     The births, lives, and deaths of the stars.
30Es1
Geosynchronous and geostationary orbits
     
30Es2
Black hole evaporation
     A brief analysis of the mathematical results of Hawking radiation.
30Es3
Gravitational redshift
     A thought-experiment demonstrating the existence of gravitational redshift.
30Es4
Humanity's place in the Universe.
Earth: 2091 AD
     A look at humanity's possible future in the next century.
30Es5
Mathematics.
Reductio ad absurdum
     A proof of the irrationality of the square root of two.
30Es6
Megastructures.
Outside Dyson shells
     Habitable solid Dyson spheres without gravity generators.
30Es7
Why Niven rings are unstable
     A discussion of stability with Niven rings and Dyson shells.
30Es8
Physics & unit systems.
Planck units
     A look at a complete system of units based on the Planck units.
30Es9
Space travel.
Reaction drives and deltavees
     A brief look at the mathematics reaction drives.
30Es10
Navigation.
Erik Max Francis -- TOP
     Welcome to my homepage.
0e 
Writing -- UP
     Various things I've written.
10Wr 
Stellar evolution -- START
     The births, lives, and deaths of the stars.
30Es1
Quick links.
Contents of Erik Max Francis' homepages -- CONTENTS
     Everything in my homepages.
1In1
Feedback -- FEEDBACK
     How to send feedback on these pages to the author.
1In5
About Erik Max Francis -- PERSONAL
     Information about me.
1In7
Copyright -- COPYRIGHT
     Copyright information regarding these pages.
1In4

Copyright © 2017 Erik Max Francis. All rights reserved.
30Es 
Essays
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